precipitation barium sulfate is produced in advanced chemical precipitation method, good phisycal properties

Barium sulfate precipitated performance index  precipitation barium sulfate is produced in advanced chemical precipitation method, good phisycal properties, low mechnical impurity, even fineness; white powder or paste, non-toxic, insoluble in water, soluble in fuming sulphuric acid, stable chemical property ;can absorb X-ray, and endow the materials with high density and surface finish, therefore widely used in paints, printing ink, coatings, plastics, rubber, chips, friction plate, ceramics, glass, electronics, cosmetics, pharmacy and food etc.

1. Main properties and features 

Chemical substances	Barium sulphate (BaSO4)/ precipitation type
Appearance	white powder
Packing	25kg woven bag/ kraft paper bag, 1000kg sack
Main features	produced in advanced chemical precipitation method¹¤, good phisycal properties, low mechnical impurity, even fineness; white powder or paste, non-toxic, insoluble in water, soluble in fuming sulphuric acid, stable chemical property
Range of application	can absorb X-ray, and endow the materials with high density and surface finish, therefore widely used in paints, printing ink, coatings, plastics, rubber, chips, friction plate, ceramics, glass, electronics, cosmetics, pharmacy and food etc.

2.Quality Index 

NO.	Item	Unit	Index
			First Quality	Qualifier
1	Barium sulphate content	%	≥98	≥96
2	105 °C volatile matter	%	≤ 0.3	≤0.5
3	Water solubles content	%	≤0.3	≤0.5
4	Water content	%	≤0.15	≤0.15
5	pH-value of aqueous suspension		6.5-8.0	6.5¡«9.0
6	Oil absorption(depend on different fineness)	% g/100g	10-30
7	Fe content	%	≤0.004
8	Whiteness	%	92-96	90-94
9	specific weight		4.0-4.5	4.0-4.2
fineness: 325-mesh, 400-mesh, 600-mesh, 800-mesh, 1250-mesh, 2000-mesh, 3000-mesh, 6000-mesh 8000-mesh, 12500-mesh, 15000-mesh (Fineness can be custom-made upon client's request)

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